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s390-tools
qeth_configure
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File qeth_configure of Package s390-tools
#! /bin/sh # # qeth_configure # # Configures a qeth device # # Usage: # qeth_configure <read chan> <write chan> <ctrl chan> <online> # # Return values: # 1 sysfs not mounted # 2 Invalid status for <online> # 3 No device found for read channel # 4 No device found for write channel # 5 No device found for control channel # 6 Invalid device type # 7 Could not load module # 8 CCW devices grouped different devices # 9 Could not group devices # 10 Could not set device online # 11 Could not set device offline # DEBUG=no mesg () { echo "$@" } debug_mesg () { case "$DEBUG" in yes) mesg "$@" ;; *) ;; esac } # Get the mount point for sysfs while read MNTPT MNTDIR MNTSYS MNTTYPE; do if test "$MNTSYS" = "sysfs"; then SYSFS="$MNTDIR" break; fi done </proc/mounts if [ -z "$SYSFS" ]; then exit 1 fi while [ $# -gt 0 ] ; do case "$1" in -i) # Configure IP takeover QETH_IPA_TAKEOVER=1 ;; -l) # Configure Layer2 support QETH_LAYER2_SUPPORT=1 ;; -p*) # QETH Portname to use if [ "$1" = "-p" ] ; then QETH_PORTNAME=$2 shift else QETH_PORTNAME=${1#-p} fi ;; -n*) # QETH port number to use if [ "$1" = "-n" ] ; then QETH_PORTNO=$2 shift else QETH_PORTNO=${1#-n} fi ;; -o) # General QETH options, separated by spaces QETH_OPTIONS=$2 shift ;; *) break; ;; esac shift done QETH_READ_CHAN=$1 QETH_WRITE_CHAN=$2 QETH_CTRL_CHAN=$3 ONLINE=$4 if [ $# -lt 4 ] ; then echo "Usage: $0 [options] <read chan> <write chan> <control chan> <online>" exit 1 fi if [ -z "$ONLINE" ] || [ "$ONLINE" -ne "1" -a "$ONLINE" -ne "0" ]; then debug_mesg "Invalid device status $ONLINE" exit 2 fi _ccw_dir=${SYSFS}/bus/ccw/devices debug_mesg "Configuring QETH device ${QETH_READ_CHAN}/${QETH_WRITE_CHAN}/${QETH_CTRL_CHAN}" if test ! -d "$_ccw_dir/$QETH_READ_CHAN" ; then debug_mesg "No device ${QETH_READ_CHAN}" exit 3 fi if test ! -d "$_ccw_dir/$QETH_WRITE_CHAN" ; then debug_mesg "No device ${QETH_WRITE_CHAN}" exit 4 fi if test ! -d "$_ccw_dir/$QETH_CTRL_CHAN" ; then debug_mesg "No device ${QETH_CTRL_CHAN}" exit 5 fi CCW_CHAN_GROUP= for ccw in $_ccw_dir/$QETH_READ_CHAN $_ccw_dir/$QETH_WRITE_CHAN $_ccw_dir/$QETH_CTRL_CHAN; do read _cu_type < $ccw/cutype read _dev_type < $ccw/devtype case "$_cu_type" in 1731/01) # OSA/Express / Guest LAN CCW_DRV="qeth" QETH_CARD="qeth" ;; 1731/05) # Hipersockets CCW_DRV="qeth" QETH_CARD="hsi" ;; 1731/06) # OSA/N CCW_DRV="qeth" QETH_CARD="osn" ;; *) CCW_DRV= ;; esac if [ -z "$CCW_DRV" ]; then mesg "No a valid QETH device (cu $_cutype, dev $_devtype)" exit 6 fi done # Portname is only required for OSA/Express if [ -n "$QETH_PORTNAME" -a "$QETH_CARD" != "qeth" ] ; then debug_mesg "No portname required for $QETH_CARD adapters" QETH_PORTNAME= fi _ccw_groupdir=${SYSFS}/bus/ccwgroup # Check for modules if test ! -d "${_ccw_groupdir}/drivers/${CCW_DRV}" ; then /sbin/modprobe $CCW_DRV # Re-check whether module loading has succeeded if test ! -d "${_ccw_groupdir}/drivers/${CCW_DRV}"; then debug_mesg "Could not load module ${CCW_DRV}" exit 7 fi fi # Check for grouping _ccwgroup_dir= if [ -e ${_ccw_dir}/${QETH_READ_CHAN}/group_device ] ; then _ccwgroup_dir=$(cd -P ${_ccw_dir}/${QETH_READ_CHAN}/group_device; echo $PWD) fi if [ -e ${_ccw_dir}/${QETH_WRITE_CHAN}/group_device ] ; then _tmp_status_dir=$(cd -P ${_ccw_dir}/${QETH_READ_CHAN}/group_device; echo $PWD) if [ "$_ccwgroup_dir" ] && [ "$_ccwgroup_dir" != "$_tmp_status_dir" ] ; then mesg "CCW devices grouped to different devices" exit 8 fi _ccwgroup_dir=$_tmp_status_dir fi if [ -e ${_ccw_dir}/${QETH_CTRL_CHAN}/group_device ] ; then _tmp_status_dir=$(cd -P ${_ccw_dir}/${QETH_CTRL_CHAN}/group_device; echo $PWD) if [ "$_ccwgroup_dir" ] && [ "$_ccwgroup_dir" != "$_tmp_status_dir" ] ; then mesg "CCW devices grouped to different devices" exit 8 fi _ccwgroup_dir=$_tmp_status_dir fi if [ -z "$_ccwgroup_dir" ] ; then echo "$QETH_READ_CHAN,$QETH_WRITE_CHAN,$QETH_CTRL_CHAN" > ${_ccw_groupdir}/drivers/${CCW_DRV}/group if [ -e ${_ccw_dir}/${QETH_READ_CHAN}/group_device ] ; then _ccwgroup_dir=$(cd -P ${_ccw_dir}/${QETH_READ_CHAN}/group_device; echo $PWD) fi fi if [ -z "$_ccwgroup_dir" -o ! -e "$_ccwgroup_dir" ] ; then mesg "Could not group $CCW_DRV devices $QETH_READ_CHAN/$QETH_WRITE_CHAN/$QETH_CTRL_CHAN" exit 9 fi CCW_CHAN_ID=${_ccwgroup_dir##*/} read _online < $_ccwgroup_dir/online if [ "$ONLINE" -eq 1 ]; then # Check whether we need to do something # We do not check for the value of CCW_CHAN_MODE, since we # might want to switch back and forth between several modes if test "$_online" -eq "0" ; then # Set the portname if [ "$QETH_PORTNAME" ]; then mesg "(portname $QETH_PORTNAME) " echo "$QETH_PORTNAME" > $_ccwgroup_dir/portname fi # Enable IP address takeover if [ "$QETH_IPA_TAKEOVER" ]; then if [ "$QETH_IPA_TAKEOVER" = "1" ]; then mesg "(IP takeover) " echo 1 > $_ccwgroup_dir/ipa_takeover/enable fi fi # Activate Layer2 support if [ -w "$_ccwgroup_dir/layer2" ] ; then if [ "$QETH_LAYER2_SUPPORT" = "1" ]; then mesg "(Layer2) " echo 1 > $_ccwgroup_dir/layer2 else echo 0 > $_ccwgroup_dir/layer2 fi else QETH_LAYER2_SUPPORT= fi # Relative port number if [ -w "$_ccwgroup_dir/portno" ] ; then if [ -n "$QETH_PORTNO" ]; then mesg "(Port $QETH_PORTNO) " # This may fail, but trial and error is the only way to tell. echo "$QETH_PORTNO" > $_ccwgroup_dir/portno fi else unset QETH_PORTNO fi # Set additional options if [ "$QETH_OPTIONS" ]; then for opt in $QETH_OPTIONS; do set -- $(IFS='='; echo $opt) opt_name=$1 opt_val=$2 case "$opt_name" in portname|ipa_takeover|layer2) # These options are set above debug_mesg "invalid option $opt_name" ;; *) if [ "$opt_name" -a "$opt_val" ]; then if [ -w "$_ccwgroup_dir/$opt_name" ]; then mesg "($opt_name) " echo "$opt_val" > $_ccwgroup_dir/$opt_name if [ $? -gt 0 ] ; then cur_opts="$cur_opts ${opt_name}=${opt_val}" fi else # Skip invalid options debug_mesg "invalid option $opt_name" fi fi ;; esac done # Update options list QETH_OPTIONS="$cur_opts" fi echo "1" > $_ccwgroup_dir/online # Re-read device status read _ccw_dev_status < $_ccwgroup_dir/online if [ "$_ccw_dev_status" -eq 0 ]; then mesg "Could not set device ${CCW_CHAN_ID} online" exit 10 fi else debug_mesg "Device ${CCW_CHAN_ID} is already online" fi else if [ "$_online" -eq 1 ]; then # Set the device offline debug_mesg "Setting device offline" echo "$ONLINE" > $_ccwgroup_dir/online # Re-read to check whether we have succeeded _online=$(cat $_ccwgroup_dir/online) if [ "$_online" -ne "$ONLINE" ]; then debug_mesg "Could not set device ${CCW_CHAN_ID} offline" exit 11 fi else debug_mesg "Device ${CCW_CHAN_ID} is already offline" fi echo 1 > $_ccwgroup_dir/ungroup fi RULES_DIR=/etc/udev/rules.d RULES_FILE=51-${QETH_CARD}-${CCW_CHAN_ID}.rules if [ -d "$RULES_DIR" ]; then if [ -f ${RULES_DIR}/${RULES_FILE} ]; then rm -f ${RULES_DIR}/${RULES_FILE} fi if [ "$ONLINE" -eq "1" ]; then # Write a new udev rules file cat > ${RULES_DIR}/${RULES_FILE} <<EOF # Configure ${QETH_CARD} device at ${QETH_READ_CHAN}/${QETH_WRITE_CHAN}/${QETH_CTRL_CHAN} ACTION=="add", SUBSYSTEM=="drivers", KERNEL=="$CCW_DRV", IMPORT{program}="collect $CCW_CHAN_ID %k $QETH_READ_CHAN $QETH_WRITE_CHAN $QETH_CTRL_CHAN $CCW_DRV" ACTION=="add", SUBSYSTEM=="ccw", KERNEL=="$QETH_READ_CHAN", IMPORT{program}="collect $CCW_CHAN_ID %k $QETH_READ_CHAN $QETH_WRITE_CHAN $QETH_CTRL_CHAN $CCW_DRV" ACTION=="add", SUBSYSTEM=="ccw", KERNEL=="$QETH_WRITE_CHAN", IMPORT{program}="collect $CCW_CHAN_ID %k $QETH_READ_CHAN $QETH_WRITE_CHAN $QETH_CTRL_CHAN $CCW_DRV" ACTION=="add", SUBSYSTEM=="ccw", KERNEL=="$QETH_CTRL_CHAN", IMPORT{program}="collect $CCW_CHAN_ID %k $QETH_READ_CHAN $QETH_WRITE_CHAN $QETH_CTRL_CHAN $CCW_DRV" TEST=="[ccwgroup/${CCW_CHAN_ID}]", GOTO="${QETH_CARD}-${CCW_CHAN_ID}-end" ACTION=="add", SUBSYSTEM=="ccw", ENV{COLLECT_$CCW_CHAN_ID}=="0", ATTR{[drivers/ccwgroup:$CCW_DRV]group}="$QETH_READ_CHAN,$QETH_WRITE_CHAN,$QETH_CTRL_CHAN" ACTION=="add", SUBSYSTEM=="drivers", KERNEL=="$CCW_DRV", ENV{COLLECT_$CCW_CHAN_ID}=="0", ATTR{[drivers/ccwgroup:$CCW_DRV]group}="$QETH_READ_CHAN,$QETH_WRITE_CHAN,$QETH_CTRL_CHAN" LABEL="${QETH_CARD}-${CCW_CHAN_ID}-end" EOF if [ "$QETH_PORTNAME" ]; then cat >> ${RULES_DIR}/${RULES_FILE} <<EOF ACTION=="add", SUBSYSTEM=="ccwgroup", KERNEL=="$CCW_CHAN_ID", ATTR{portname}="$QETH_PORTNAME" EOF fi if [ "$QETH_PORTNO" ]; then cat >> ${RULES_DIR}/${RULES_FILE} <<EOF ACTION=="add", SUBSYSTEM=="ccwgroup", KERNEL=="$CCW_CHAN_ID", ATTR{portno}="$QETH_PORTNO" EOF fi if [ "$QETH_IPA_TAKEOVER" ]; then cat >> ${RULES_DIR}/${RULES_FILE} <<EOF ACTION=="add", SUBSYSTEM=="ccwgroup", KERNEL=="$CCW_CHAN_ID", ATTR{ipa_takeover/enable}="1" EOF fi if [ "$QETH_LAYER2_SUPPORT" ]; then cat >> ${RULES_DIR}/${RULES_FILE} <<EOF ACTION=="add", SUBSYSTEM=="ccwgroup", KERNEL=="$CCW_CHAN_ID", ATTR{layer2}="1" EOF else cat >> ${RULES_DIR}/${RULES_FILE} <<EOF ACTION=="add", SUBSYSTEM=="ccwgroup", KERNEL=="$CCW_CHAN_ID", ATTR{layer2}="0" EOF fi for opt in $QETH_OPTIONS; do set -- $(IFS='='; echo $opt) opt_name=$1 opt_val=$2 cat >> ${RULES_DIR}/${RULES_FILE} <<EOF ACTION=="add", SUBSYSTEM=="ccwgroup", KERNEL=="$CCW_CHAN_ID", ATTR{$opt_name}="$opt_val" EOF done cat >> ${RULES_DIR}/${RULES_FILE} <<EOF ACTION=="add", SUBSYSTEM=="ccwgroup", KERNEL=="$CCW_CHAN_ID", ATTR{online}="1" EOF fi fi
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